In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
The very ___________________ of apologizing and forgiveness _________________ the importance of memory and the vitality of the community as a link between past, present and future. It ________________ the question of the responsibility ______________ the past and its injustices. Somehow for many politicians, the past is a different country for _________________ they have no responsibility.